Erstwhile Captain James T. Kirk William Shatner is heading to the mysterious town of Haven for a four-episode arc during the show’s fifth season.

Described as “a pivotal character that has the potential to forever impact the fate of the town of Haven and its troubled residents”, Shatner’s debut will form part of the 13 episode second half to the season airing next year. Based on the novella The Colorado Kid by Stephen King, the show is one of the channel’s most popular series.

The first half of Haven season 5 is currently running on Syfy and Syfy UK.